U5.7 Sampling Distribution of x̄
Find mean, SD, and shape of the sampling distribution of x̄. Apply CLT for normal approximation. Compute probabilities. Extend to two-sample difference x̄_1 − x̄_2.
What you'll do in this lesson
A voice-first session with the Crimsora tutor on U5.7 Sampling Distribution of x̄, then targeted practice and FRQs — with the tutor adapting to where you get stuck.